PIC12F635-E/P Microchip Technology, PIC12F635-E/P Datasheet - Page 146
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PIC12F635-E/P
Manufacturer Part Number
PIC12F635-E/P
Description
IC MCU FLASH 1KX14 8DIP
Manufacturer
Microchip Technology
Series
PIC® 12Fr
Specifications of PIC12F635-E/P
Core Size
8-Bit
Program Memory Size
1.75KB (1K x 14)
Core Processor
PIC
Speed
20MHz
Peripherals
Brown-out Detect/Reset, POR, WDT
Number Of I /o
5
Program Memory Type
FLASH
Eeprom Size
128 x 8
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
8-DIP (0.300", 7.62mm)
Controller Family/series
PIC12
No. Of I/o's
6
Eeprom Memory Size
128Byte
Ram Memory Size
64Byte
Cpu Speed
20MHz
No. Of Timers
2
Processor Series
PIC12F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
64 B
Interface Type
RS- 232, SPI, USB
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
6
Number Of Timers
2
Operating Supply Voltage
2 V to 5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
Through Hole
3rd Party Development Tools
52715-96, 52716-328, 52717-734
Development Tools By Supplier
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DV164120, DM163029, DV164101, DM163014
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
DM163029 - BOARD PICDEM FOR MECHATRONICSAC162057 - MPLAB ICD 2 HEADER 14DIPACICE0201 - MPLABICE 8P 300 MIL ADAPTER
Data Converters
-
Connectivity
-
Lead Free Status / Rohs Status
Details
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- Download datasheet (4Mb)
PIC12F635/PIC16F636/639
REGISTER 12-2:
TABLE 12-8:
DS41232D-page 144
WDTCON
OPTION_REG
CONFIG
Legend:
Note
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-5
bit 4-1
bit 0
Note 1:
Name
U-0
—
1:
Shaded cells are not used by the Watchdog Timer.
See Register 12-1 for operation of all Configuration Word register bits.
If WDTE Configuration bit = 1, then WDT is always enabled, irrespective of this control bit. If WDTE
Configuration bit = 0, then it is possible to turn WDT on/off with this control bit.
Unimplemented: Read as ‘0’
WDTPS<3:0>: Watchdog Timer Period Select bits
Bit Value = Prescale Rate
0000 = 1:32
0001 = 1:64
0010 = 1:128
0011 = 1:256
0100 = 1:512 (Reset value)
0101 = 1:1024
0110 = 1:2048
0111 = 1:4096
1000 = 1:8192
1001 = 1:16384
1010 = 1:32768
1011 = 1:65536
1100 = Reserved
1101 = Reserved
1110 = Reserved
1111 = Reserved
SWDTEN: Software Enable or Disable the Watchdog Timer bit
1 = WDT is turned on
0 = WDT is turned off (Reset value)
RAPU
Bit 7
CPD
SUMMARY OF REGISTERS ASSOCIATED WITH WATCHDOG TIMER
—
U-0
—
WDTCON: WATCHDOG TIMER CONTROL REGISTER
INTEDG
Bit 6
CP
—
W = Writable bit
‘1’ = Bit is set
MCLRE
T0CS
Bit 5
U-0
—
—
WDTPS3
PWRTE
T0SE
Bit 4
WDTPS3
R/W-0
WDTPS2
WDTE
Bit 3
PSA
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
WDTPS2
WSTPS1
R/W-1
FOSC2
Bit 2
PS2
WDTPS0
FOSC1
Bit 1
PS1
WDTPS1
R/W-0
(1)
SWDTEN
FOSC0
Bit 0
PS0
© 2007 Microchip Technology Inc.
x = Bit is unknown
WDTPS0
---0 1000
1111 1111
POR, BOR
R/W-0
Value on
—
SWDTEN
---0 1000
1111 1111
Value on
all other
R/W-0
Resets
—
bit 0
(1)
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